function LinkExternalProtocolsConstraintValidator::validate

File

core/modules/link/src/Plugin/Validation/Constraint/LinkExternalProtocolsConstraintValidator.php, line 17

Class

LinkExternalProtocolsConstraintValidator

Validates the LinkExternalProtocols constraint.

Namespace

Code

public function validate($value, Constraint $constraint) {
  if (isset($value)) {
    try {
      /** @var \Drupal\Core\Url $url */
      $url = $value->getUrl();
    } catch (\InvalidArgumentException $e) {
      return;
    }
    // Disallow external URLs using untrusted protocols.
    if ($url->isExternal() && !in_array(parse_url($url->getUri(), PHP_URL_SCHEME), UrlHelper::getAllowedProtocols())) {
      $this->context
        ->addViolation($constraint->message, [
        '@uri' => $value->uri,
      ]);
    }
  }
}